If ever I want to give my late, unlamented sister-in-law—she's not dead, she's just not my sister-in-law any more—a present (other than a punch in the chops) then I need look no further than the Hot Dog Temperature Alert system for cars. Install it, turn it on, and if the temperature rises above a preset one, then the… »3/20/08 9:17am 3/20/08 9:17am